众所周知,用水银体温计测量体温要花很长的时间,例如,在病人发烧并且安静地躺在床上时,要测量体温就是一件麻烦的事。尤其在夜间,室内的光线比较暗淡.为了看清体温计的读 It is well known that it takes a long time to measure body temperature with a mercury thermometer, for example, when the patient has a fever and is lying quietly in bed, measuring body temperature is a bothering task. Especially at night, the light in the room is gloomy